@mixin placehoder-color($color) {
  ::-webkit-input-placeholder {
    /* Chrome/Opera/Safari */
    color: $color;
  }
  ::-moz-placeholder {
    /* Firefox 19+ */
    color: $color;
  }
  :-ms-input-placeholder {
    /* IE 10+ */
    color: $color;
  }
  :-moz-placeholder {
    /* Firefox 18- */
    color: $color;
  }
}

@mixin flex-center($display) {
  display: $display;
  justify-content: center;
  align-content: center;
  align-items: center;
}

@mixin flex-space-between($display) {
  display: $display;
  align-items: center;
  justify-content: space-between;
}

@mixin flex-column-center($display) {
  display: $display;
  flex-direction: column;
  align-items: center;
}

@mixin flex-align-center($display) {
  display: $display;
  align-items: center;
}